External Torx, Internal Torx, External Hex, TX, Hex
Imperial, AF, Torx, SAE, Metric
8 mm, 13/16 ", 12 mm, 5/8 ", 11/16 "
9.53, 38.1, 6.35, 25.4, 19.05
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide